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! Undefined control sequence.
l.18 \K
?<d3><f0><e7><9f>^^?~<fa><d1><d8><e5>R<ca>J<a5><b2><b3><b3><b3><b8><b8><b8><b8><b8><c8>9^^?<f8><f0><a1>m۷n<dd>::<9e>s^<ad>V766^^J
The control sequence at the end of the top line
of your error message was never \def'ed. If you have
! Missing $ inserted.
<inserted text>
$
l.18 ...<f0><e7><9f>^^?~<fa><d1><d8><e5>R<ca>J<a5><b2><b3><b3><b3><b8><b8><b8><b8><b8><c8>9^^?<f8><f0><a1>m۷n<dd>::<9e>s^